1 package bzltestutil
2
3 import (
4 "strings"
5 "testing"
6 )
7
8 func TestConvertCoverToLcov(t *testing.T) {
9 var tests = []struct {
10 name string
11 goCover string
12 expectedLcov string
13 }{
14 {
15 "empty",
16 "",
17 "",
18 },
19 {
20 "mode only",
21 "mode: set\n",
22 "",
23 },
24 {
25 "single file",
26 `mode: count
27 file.go:0.4,2.10 0 0
28 `,
29 `SF:file.go
30 DA:0,0
31 DA:1,0
32 DA:2,0
33 LH:0
34 LF:3
35 end_of_record
36 `,
37 },
38 {
39 "narrow ranges",
40 `mode: atomic
41 path/to/pkg/file.go:0.1,0.2 5 1
42 path/to/pkg/file2.go:1.2,1.2 4 2
43 `,
44 `SF:path/to/pkg/file.go
45 DA:0,1
46 LH:1
47 LF:1
48 end_of_record
49 SF:path/to/pkg/file2.go
50 DA:1,2
51 LH:1
52 LF:1
53 end_of_record
54 `,
55 },
56 }
57 for _, tt := range tests {
58 t.Run(tt.name, func(t *testing.T) {
59 in := strings.NewReader(tt.goCover)
60 var out strings.Builder
61 err := convertCoverToLcov(in, &out)
62 if err != nil {
63 t.Errorf("convertCoverToLcov returned unexpected error: %+v", err)
64 }
65 actualLcov := out.String()
66 if actualLcov != tt.expectedLcov {
67 t.Errorf("covertCoverToLcov returned:\n%q\n, expected:\n%q\n", actualLcov, tt.expectedLcov)
68 }
69 })
70 }
71 }
72
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